JPH0614943A - Artificial tooth root and dental driver - Google Patents
Artificial tooth root and dental driverInfo
- Publication number
- JPH0614943A JPH0614943A JP4177172A JP17717292A JPH0614943A JP H0614943 A JPH0614943 A JP H0614943A JP 4177172 A JP4177172 A JP 4177172A JP 17717292 A JP17717292 A JP 17717292A JP H0614943 A JPH0614943 A JP H0614943A
- Authority
- JP
- Japan
- Prior art keywords
- tooth root
- groove
- artificial tooth
- driver
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Landscapes
- Dental Prosthetics (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
(57)【要約】
【目的】人工歯根のネジ止め時のズレやぐらつきを防止
し、安定した作業を可能にする。
【構成】人工歯根の頭部部材にドライバー嵌合用の溝部
と、その溝部中央に形成された位置決め用穴部を設ける
と共に、ドライバー先端部にネジと嵌合する翼部と、位
置決め用突部をもうける。
(57) [Summary] [Purpose] Prevents misalignment and wobbling when screwing artificial tooth roots and enables stable work. [Structure] A groove portion for fitting a driver and a positioning hole portion formed at the center of the groove portion are provided on a head member of an artificial tooth root, and a wing portion to be fitted with a screw and a positioning protrusion portion are provided at a tip portion of the driver. Make
Description
【０００１】[0001]
【産業上の利用分野】本発明は、人工歯根および人工歯
根等を構築するための歯科用ドライバーに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an artificial tooth root and a dental driver for constructing an artificial tooth root and the like.
【０００２】[0002]
【従来の技術】従来より人工歯根等の植設や部品の固定
作業用にドライバー等の治具が用いられてきたが、人工
歯根は直径が細く、そこに設けられたネジ部にドライバ
ー先端部を嵌合固定させて作業することには極めて困難
を伴った。2. Description of the Related Art Conventionally, jigs such as a screwdriver have been used for implanting artificial tooth roots and fixing parts. However, the artificial tooth root has a small diameter, and the screw portion provided there has a screwdriver tip portion. It was extremely difficult to work by fitting and fixing.
【０００３】工業用ドライバーの分野では、ドライバー
の先端に磁力を持たさせることによりネジを磁気固定す
る事も広く用いられているが、生体インプラント分野で
は、生体親和性の点からステンレス合金、チタン、又は
チタン合金等の材料が用いられており、これらが非磁性
材料であることから、磁力を用いた固定は適用できなか
った。In the field of industrial drivers, it is widely used to magnetically fix a screw by giving a magnetic force to the tip of the driver, but in the field of bioimplant, stainless alloy, titanium, titanium, etc. are used from the viewpoint of biocompatibility. Alternatively, materials such as titanium alloys are used, and since these are nonmagnetic materials, fixing using magnetic force cannot be applied.
【０００４】[0004]
【発明が解決しようとする課題】従来の人工歯根及び歯
科用ドライバーでは、両者の嵌合固定が不安定であり、
ドライバーが滑ったりして作業性が悪いばかりでなく、
歯肉部等を傷付ける事故等も生じた。In the conventional artificial tooth root and dental driver, the fitting and fixing of the two are unstable,
Not only is the workability poor because the driver slips,
Accidents such as damage to the gums also occurred.
【０００５】本発明は上記問題点を解決し、人工歯根部
材と歯科用ドライバーの嵌合固定を確実にして、作業性
の向上を図ることを目的とする。SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and to ensure the fitting and fixing of an artificial tooth root member and a dental driver to improve workability.
【０００６】[0006]
【課題を解決するための手段】即ち、本発明は、顎骨内
に埋設する歯根部とその上部に構築する上部構造部材よ
りなる人工歯根において、前記上部構造部材を歯根部に
固定する固定用ネジの頭部にドライバー嵌合用の溝部
と、位置決め用穴部を設けたことを特徴とする人工歯
根、または、人工歯根の頭部部材にドライバー嵌合用の
溝部と、その溝部中央に形成された位置決め用穴部を設
けたことを特徴とする人工歯根である。SUMMARY OF THE INVENTION That is, the present invention relates to an artificial tooth root composed of a tooth root portion embedded in the jawbone and an upper structural member constructed on the upper portion thereof, and a fixing screw for fixing the upper structural member to the tooth root portion. A groove for driver fitting and a hole for positioning are provided on the head of the artificial tooth root, or a groove for driver fitting on the head member of the artificial tooth root and a positioning formed at the center of the groove The artificial tooth root is characterized by having a hole for use.
【０００７】また特に、前記位置決め用穴部が前記溝部
の中央に形成され、且つ当該位置決め用穴部の口径が前
記溝部の溝幅より大きいことを特徴とするものであり、
また前記位置決め用穴部が前記溝部の溝深さより深いこ
とを特徴とするものである。Further, in particular, the positioning hole is formed in the center of the groove, and the diameter of the positioning hole is larger than the groove width of the groove.
Further, the positioning hole is deeper than the groove depth of the groove.
【０００８】更に本発明は、ドライバー先端部にネジと
嵌合し回転力を伝達する翼部と、位置決め用突部を有す
る歯科用ドライバーである。Further, the present invention is a dental driver having a wing portion for fitting a screw to the tip of the driver to transmit a rotational force, and a positioning projection.
【０００９】特に、前記位置決め用突部が前記翼部中央
に形成され、且つ当該位置決め用突部の直径が前記翼部
の厚みより大きいことを特徴とするものであり、また、
前記位置決め用突部が前記翼部の高さより高いことを特
徴とするものである。In particular, the positioning projection is formed in the center of the wing, and the diameter of the positioning projection is larger than the thickness of the wing, and
The positioning protrusion is higher than the height of the wing.
【００１０】[0010]
【作用】本発明の人工歯根では、上部構造部材を歯根部
に固定する固定用ネジの頭部に設けたドライバー嵌合用
の溝部と、位置決め用穴部のそれぞれに、歯科用ドライ
バーの先端部に設けた翼部と、位置決め用突部を嵌合固
定することにより、前後、左右の滑りぐらつきを防止し
つつ安定した作業をすることができる。In the artificial tooth root of the present invention, the groove for driver fitting provided on the head of the fixing screw for fixing the upper structural member to the tooth root and the positioning hole are provided at the tip of the dental driver. By fitting and fixing the provided wing portion and the positioning projection, it is possible to perform a stable work while preventing the back and forth and left and right slipping.
【００１１】[0011]
【実施例】本発明を以下実施例により説明する。人工歯
根は、一般に全体が一体に形成され、顎骨に固定後に歯
肉上に突出した頭部に歯冠を設けるワンピースタイプ人
工歯根と、初期固定時には分割構造の歯根部のみを埋込
し歯肉内に安置し、顎骨に固定後に歯肉を切り開きカプ
ラー、クラウンベース、歯冠等を構築する分割型の多ピ
ースタイプ人工歯根があるが、ここでは多ピースタイプ
の人工歯根を例に挙げる。EXAMPLES The present invention will be described below with reference to examples. Generally, the artificial root is formed integrally as a whole, and a one-piece type artificial root in which a crown is attached to the head protruding above the gingiva after being fixed to the jawbone, and at the time of initial fixing, only the root part of the split structure is embedded in the gingiva. There is a split-type multi-piece type artificial tooth root that constructs a coupler, crown base, crown, etc. by opening the gingiva after placing it in the jawbone and fixing it to the jawbone. Here, the multi-piece type artificial tooth root is taken as an example.
【００１２】図１は本発明に係る人工歯根の１例を示す
分解斜視図であり、図２は同断面図、図３は本発明に係
る固定用ネジの斜視図であり、図４は同固定用ネジの上
面図及び側面図、図５は同固定用ネジのの断面図であ
る。FIG. 1 is an exploded perspective view showing an example of an artificial tooth root according to the present invention, FIG. 2 is a sectional view thereof, FIG. 3 is a perspective view of a fixing screw according to the present invention, and FIG. 4 is the same. FIG. 5 is a top view and a side view of the fixing screw, and FIG. 5 is a sectional view of the fixing screw.
【００１３】人工歯根は、顎骨内に埋設する「歯根部
（ルート）」５とその上部に構築する上部構造部材より
なる。ここで上部構造部材とは、「歯冠（クラウン）」
９、または必要により設けられる部材、例えば歯冠の固
定台となる「クラウンベース」２、歯根部とクラウンベ
ースを結合する「カプラー」４等の部材をさす。The artificial tooth root is composed of a "root portion" 5 embedded in the jawbone and an upper structural member constructed above it. Here, the upper structural member is a "crown".
9 or members provided as necessary, for example, “crown base” 2 that serves as a base for fixing the crown, and “coupler” 4 that connects the tooth root portion and the crown base.
【００１４】この人工歯根は図２に示すように、歯根部
５とカプラー４とはそれぞれの中心部に設けられたネジ
山をメインスクリュー３でネジ止め固定され、更にその
上部にクラウンベース２が配置される。クラウンベース
２は固定用ネジ（クラウンスクリュー）１１の大径頭部
とカプラー４により挟まれ固定される。固定用ネジ１１
はメインスクリュー３の中心に設けられた内径ネジ山に
ネジ止めされる。In this artificial tooth root, as shown in FIG. 2, the root portion 5 and the coupler 4 are fixed by screwing the threads provided at the center thereof with the main screw 3, and the crown base 2 is further provided on the upper portion thereof. Will be placed. The crown base 2 is sandwiched and fixed by a large-diameter head of a fixing screw (crown screw) 11 and a coupler 4. Fixing screw 11
Is screwed to the inner diameter thread provided at the center of the main screw 3.
【００１５】この人工歯根の固定用ネジ（クラウンスク
リュー）１１は、図３〜図５に示すように、その頭部に
ドライバー嵌合用の溝部１２と共に、当該溝部の中央
に、位置決め用穴部１３を設けている。As shown in FIGS. 3 to 5, the screw (crown screw) 11 for fixing the artificial tooth root has a groove portion 12 for fitting a driver in its head, and a positioning hole portion 13 at the center of the groove portion. Is provided.
【００１６】この穴部１３の口径（Ｌ）は図５に示すよ
うに、前記溝部１２の溝幅（Ｗ）より大きく形成し、ま
た穴部１３の穴深さ（Ｄ）を溝部１２の溝深さ（ｄ）よ
り深く形成している。これは、ドライバー先端とネジと
の嵌合時に係止部を設けずれを防止する為である。ここ
でずれ防止の為には上記穴部１３の口径（Ｌ）と穴深さ
（Ｄ）の何れかを溝部１２の溝幅（Ｗ）、または溝深さ
（ｄ）よりも大きくするだけでも足りる。但し、作業性
の点では、両方を満たすことが好ましい。As shown in FIG. 5, the bore (L) of the hole 13 is formed larger than the groove width (W) of the groove 12, and the hole depth (D) of the hole 13 is set to the groove of the groove 12. It is formed deeper than the depth (d). This is because a locking portion is provided at the time of fitting the tip of the driver and the screw to prevent displacement. Here, in order to prevent the deviation, it is possible to make either the diameter (L) or the hole depth (D) of the hole 13 larger than the groove width (W) or the groove depth (d) of the groove 12. Is enough. However, in terms of workability, it is preferable to satisfy both.
【００１７】尚、穴部１３の口部形状としては、円形の
他、六角形等の多角形状でもよい。The shape of the mouth of the hole 13 may be a polygonal shape such as a hexagon, as well as a circular shape.
【００１８】他方、溝部１２の形状はドライバーの形状
に合わせて−状や＋状等の形状とする。On the other hand, the shape of the groove 12 is a minus shape, a plus shape or the like according to the shape of the driver.
【００１９】次に図６に本発明の人工歯根の他の実施例
を示す。Next, FIG. 6 shows another embodiment of the artificial tooth root of the present invention.
【００２０】図６の人工歯根は、人工歯根自体を顎骨に
ねじ込むタイプのものであり、この場合には人工歯根の
頭部部材にドライバー嵌合用の溝部１２と、その溝部中
央に形成された位置決め用穴部１３を設けている。特に
前歯等の直径の細い人工歯根の作業に有効である。The artificial tooth root shown in FIG. 6 is of a type in which the artificial tooth root itself is screwed into the jawbone. In this case, the head portion of the artificial tooth root has a groove portion 12 for driver fitting and a positioning formed in the center of the groove portion. A hole 13 for use is provided. It is especially effective for working on artificial roots with thin diameters such as front teeth.
【００２１】次に、本発明の歯科用ドライバーを図７〜
図９に示す。尚、図７は正面図、図８は側面図、図９は
底面図を示す。Next, the dental driver of the present invention is shown in FIGS.
It shows in FIG. 7 is a front view, FIG. 8 is a side view, and FIG. 9 is a bottom view.
【００２２】本発明の歯科用ドライバー６は図７〜図９
に示すように、前記人工歯根等の特殊形状の固定用ネジ
に用いるものであり、その先端部は、翼部７と嵌合用突
部８より成る。The dental driver 6 of the present invention is shown in FIGS.
As shown in FIG. 3, the screw is used for a fixing screw having a special shape such as the artificial tooth root, and its tip portion is composed of a wing portion 7 and a fitting projection portion 8.
【００２３】当該翼部７は、固定用ネジ１１の溝部１２
と嵌合するように、これと対応した形状（−状や＋状
等）を有しており、他方、当該嵌合用突部８は、固定用
ネジ１１の位置決め用穴部１３嵌合するように、これと
対応した形状（円形、六角形等の多角形状等）を有して
いる。The blade portion 7 has a groove portion 12 of a fixing screw 11.
Has a shape (− shape, + shape, etc.) corresponding to this, so that the fitting projection 8 fits into the positioning hole 13 of the fixing screw 11. In addition, it has a shape (circular shape, polygonal shape such as hexagon) corresponding thereto.
【００２４】また図９に示すように、この嵌合用突部８
の直径（Ｌ２）は前記翼部７の幅（Ｗ２）より大きく形
成し、また図７に示すように嵌合用突部８の高さ（Ｈ）
は翼部７の高さ（ｈ）より高く形成している。Further, as shown in FIG. 9, this fitting projection 8
Has a diameter (L2) larger than the width (W2) of the wing portion 7, and the height (H) of the fitting projection 8 as shown in FIG.
Is formed higher than the height (h) of the wing portion 7.
【００２５】これは、前記の様にドライバー先端とネジ
との嵌合時に係止部を設けずれを防止する為であるが、
ずれ防止の為には嵌合用突部８の直径と高さの何れかを
翼部７の幅、高さよりも大きくするだけでも足りる。但
し、作業性の点では、両方を満たすことが好ましい。This is because a locking portion is provided at the time of fitting the tip of the driver and the screw as described above to prevent displacement.
In order to prevent the deviation, it is sufficient to make either the diameter or the height of the fitting projection 8 larger than the width and height of the wing 7. However, in terms of workability, it is preferable to satisfy both.
【００２６】[0026]
【発明の効果】本発明によれば、人工歯根またはその構
成部材（固定用ネジ）に形成した位置決め用穴部１３
に、ドライバー先端の嵌合用突部８を嵌合させて、係止
部を設けネジ止め作業時のズレやぐらつきを防止し、安
定した作業をすることができる。According to the present invention, the positioning hole portion 13 formed in the artificial tooth root or its constituent member (fixing screw).
Then, the fitting projection 8 at the tip of the driver is fitted to provide a locking portion to prevent deviation and wobbling at the time of screwing work, so that stable work can be performed.
【００２７】[0027]
図１は本発明に係る人工歯根の実施例を示す分解斜視
図、図２は同断面図、図３は本発明に係る固定用ネジの
斜視図、図４は同固定用ネジの上面図及び側面図、図５
は同固定用ネジの断面図、図６は本発明の人工歯根の他
の実施例を示す斜視図、図７は本発明の歯科用ドライバ
ーの実施例を示す正面図、図８は同側面図、図９は同底
面図である。１１は固定用ネジ（クラウンスクリュ
ー）、１２はドライバー嵌合用溝部、１３は位置決め用
穴部、２はクラウンベース、３はメインスクリュー、４
はカプラー、５は歯根部（ルート）、６は歯科用ドライ
バー、７は翼部、８は嵌合用突部、９は歯冠（クラウ
ン）である。1 is an exploded perspective view showing an embodiment of an artificial tooth root according to the present invention, FIG. 2 is the same sectional view, FIG. 3 is a perspective view of a fixing screw according to the present invention, and FIG. 4 is a top view of the fixing screw. Side view, FIG.
Is a sectional view of the fixing screw, FIG. 6 is a perspective view showing another embodiment of the artificial tooth root of the present invention, FIG. 7 is a front view showing an embodiment of the dental screwdriver of the present invention, and FIG. 8 is a side view of the same. 9 is a bottom view of the same. 11 is a fixing screw (crown screw), 12 is a driver fitting groove, 13 is a positioning hole, 2 is a crown base, 3 is a main screw, 4
Is a coupler, 5 is a root portion, 6 is a dental driver, 7 is a wing portion, 8 is a fitting protrusion, and 9 is a crown.
Claims (7)
する上部構造部材よりなる人工歯根において、前記上部
構造部材を歯根部に固定する固定用ネジの頭部にドライ
バー嵌合用の溝部と、位置決め用穴部を設けたことを特
徴とする人工歯根。1. An artificial dental root comprising a tooth root portion to be embedded in a jawbone and an upper structural member constructed on the upper portion thereof, and a screw portion for screwing a driver into a head portion of a fixing screw for fixing the upper structural member to the tooth root portion. An artificial dental root characterized by having positioning holes.
溝部と、その溝部中央に形成された位置決め用穴部を設
けたことを特徴とする人工歯根。2. An artificial dental root characterized in that a head member of the artificial dental root is provided with a groove portion for fitting a driver and a positioning hole portion formed at the center of the groove portion.
成され、且つ当該位置決め用穴部の口径が前記溝部の溝
幅より大きいことを特徴とする請求項１から請求項２の
いずれかに記載の人工歯根。3. The positioning hole is formed in the center of the groove, and the diameter of the positioning hole is larger than the groove width of the groove. The artificial tooth root described in.
り深いことを特徴とする請求項１から請求項３のいずれ
かに記載の人工歯根。4. The artificial tooth root according to claim 1, wherein the positioning hole is deeper than the groove depth of the groove.
伝達する翼部と、位置決め用突部を有する歯科用ドライ
バー5. A dental screwdriver having a wing portion that fits a screw at the tip of the driver to transmit a rotational force, and a positioning protrusion.
され、且つ当該位置決め用突部の直径が前記翼部の厚み
より大きいことを特徴とする請求項５に記載の人工歯
根。6. The artificial tooth root according to claim 5, wherein the positioning protrusion is formed at the center of the blade, and the diameter of the positioning protrusion is larger than the thickness of the blade.
高いことを特徴とする請求項５から請求項６のいずれか
に記載の人工歯根。7. The artificial tooth root according to claim 5, wherein the positioning protrusion is higher than the height of the wing portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4177172A JPH0614943A (en) | 1992-07-03 | 1992-07-03 | Artificial tooth root and dental driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4177172A JPH0614943A (en) | 1992-07-03 | 1992-07-03 | Artificial tooth root and dental driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0614943A true JPH0614943A (en) | 1994-01-25 |
Family
ID=16026447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4177172A Withdrawn JPH0614943A (en) | 1992-07-03 | 1992-07-03 | Artificial tooth root and dental driver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0614943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100407490B1 (en) * | 2000-12-27 | 2003-11-28 | 주식회사 오스템 | Screw for dental |
| US7625519B2 (en) | 2004-04-14 | 2009-12-01 | Akihiko Chiba | Method for manufacturing biomedical porous article |
-
1992
- 1992-07-03 JP JP4177172A patent/JPH0614943A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100407490B1 (en) * | 2000-12-27 | 2003-11-28 | 주식회사 오스템 | Screw for dental |
| US7625519B2 (en) | 2004-04-14 | 2009-12-01 | Akihiko Chiba | Method for manufacturing biomedical porous article |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19991005 |